John Larch (October 4, 1914 - October 16, 2005) was an American film and television actor.

After his lead role in the radio serial Captain Starr of Space (1953–54), John Larch entered films in 1954. He usually appeared in westerns (How The West Was Won) and action films, including Miracle of the White Stallions as General George S. Patton Jr. (1963), Collision Course: Truman vs. MacArthur as General Omar Bradley (1976), replacing James Gregory as Mac in the Matt Helm movie The Wrecking Crew (1969) starring Dean Martin, Sharon Tate and Elke Sommer. Larch, an old friend of Clint Eastwood, appeared in Eastwood films, including Dirty Harry (1971) and Play Misty for Me (1971).